ultrasound (Science: investigation) A type of imaging technique which uses high–frequency sound waves. This is highly operator-dependent and is thought to be useful in diagnosis but not particularly accurate in the assessment of tumour response. For the latter, CT or MR imaging are more accurate...
A running water environment offers numerous microhabitats for many types of animals. Similar to plants, animals in lotic..
While learning and intelligence are associated with the functions of a conscious mind, sleep and dreams are activities o..
This study guide tackles plant roots in greater detail. It delves into the development of plant roots, the root structur..
Osmoregulation is the regulation of water concentrations in the bloodstream, effectively controlling the amount of water..
Lentic or still water communities can vary greatly in appearance -- from a small temporary puddle to a large lake. The s..
Darwin's Finches are an example of natural selection in action. They are an excellent example of the way species' gene p..
